7308B Angular Contact Bearing 40x90x23mm7308B Angular Contact Ball Bearing Single Row Spindle Bearing for Axial & Radial Loads This 7308B bearing is a single row angular contact type, designed to handle both axial and radial forces. Commonly used in spindles, electric motors, and high speed machinery, its perfect when you need support in one axial direction with smooth, reliable performance. Supports axial and radial loads in one direction Size: 40mm x 90mm x 23mm Chrome steel (52100 alloy)